51495275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 72630768

約数和(自身を除く): 21135493

約数列:

[1, 5, 13, 23, 25, 65, 83, 115, 299, 325, 415, 575, 1079, 1495, 1909, 2075, 5395, 6889, 7475, 9545, 24817, 26975, 34445, 47725, 89557, 124085, 158447, 172225, 447785, 620425, 792235, 2059811, 2238925, 3961175, 10299055, 51495275]

約数ペア:

[(1, 51495275), (5, 10299055), (13, 3961175), (23, 2238925), (25, 2059811), (65, 792235), (83, 620425), (115, 447785), (299, 172225), (325, 158447), (415, 124085), (575, 89557), (1079, 47725), (1495, 34445), (1909, 26975), (2075, 24817), (5395, 9545), (6889, 7475)]